I agree it looks like too much water. It is actually best for most plants to get a little too little water than a little too much - wilting is OK and makes the plant stronger. Some commercial tomato growers actually withold water late in the season - the leaves start dying off but then the plant puts all its energy into growing fruit and that increases yield.
I'm not too far north of you, in Michigan, and the last two seasons have been very rainy. I barely watered my vegetable garden but still had split tomatoes, brown leaves on greens, and low yield on some plants because it was so gloomy and wet.
Stop watering altogether and only water during extended periods of dry and windy weather, or if the plants start to wilt. Then give them a ton of water and ignore them for a while again.
